<!DOCTYPE html>
<html lang="en">
  <head>
    <meta charset="utf-8">
    <meta name="viewport" content="width=device-width, initial-scale=1">
  </head>
  <body><my-element>Hi</my-element><custom-button>Hi</custom-button><multi-word-component>Hi</multi-word-component><element->Hi</element-></body>
</html>
